Problem:
The graph shows the constant rate at which Suzanna rides her bike. If she rides a total of half an hour at the same speed, how many miles will she have ridden?
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Answer Choices:
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Solution:
Suzanna rides at a constant rate of five minutes per mile. In minutes there are six -minute intervals, so she travels six miles.
Suzanna rides miles in minutes, so she will ride miles in minutes.
Answer: .
The problems on this page are the property of the MAA's American Mathematics Competitions